Make a program that ,take's time logs in python

#Make a program that ,take's time logs in python

#first start of by making a .txt file with a name , for example , example.txt , then here is the source code

def logs():
    import datetime
    current_time = datetime.datetime.now()
    current_time = str(current_time)
    logs = open('example.txt', 'a')
    # here you can write your message
    logs.write('\n----------------------------')
    logs.write('\n ran at ')
    # Dont change this line below
    logs.write(current_time)
    logs.write('\n----------------------------\n')

logs()